There may be a few pretty valid reasons as to why Scott Forstall is leaving Apple.

Per the Mac Observer, sources have indicated that Forstall’s ouster was due to his refusal to sign a letter of apology over Apple Maps in September. The New York Times, Fortune, and The Verge all claim sources saying as much, suggesting that this could have played a role in his departure from Apple.

At issue was the rollout of Apple Maps as a replacement for Google Maps on iPhone, iPad, and iPod touch. Apple Maps is a beautiful service that brings all manner of performance enhancements to Apple’s iOS devices, but it was rolled out with significant flaws, none of which were mentioned by Scott Forstall when he introduced the service at Apple media events.

Pushback and criticism of the service by customers, critics, fans, and Apple-haters alike led to Apple pulling back on its claim that Apple Maps was the, “most beautiful, powerful mapping service.” Apple CEO Tim Cook wrote an open letter apologizing for the rollout and promising that Apple Maps would improve over time.

On Monday, Apple announced that Mr. Forstall would depart Apple and that his various fields of responsibility would be split up among Apple’s other top executives. In coverage of that shakeup, The New York Times and Fortune both included minor notes that Scott Forstall had refused to put his name on the letter published by Tim Cook.

The Times specified that Mr. Forstall dismissed the criticism that was being heaped on Apple as exaggerated. Fortune said that it “sealed his fate” at Apple, a sentiment echoed at The Verge, which said the reports were backed up by its own sources.

This, in addition to recurring reports that Mr. Forstall’s management style had angered Apple’s other executives and was causing friction with those ranks, seemed to have been the straw that broke the camel’s back.

Well, this might change the software on your iOS device for a few years to come.

Per AppleInsider, Apple announced on Monday that Senior Vice President of iOS Software Scott Forstall will be leaving Cupertino in 2013, while SVP of Retail John Browett is also scheduled to depart at an undetermined time.

It is unclear why Forstall and Browett are leaving Apple, though it appears the remaining executives, including Jony Ive, Bob Masfield, Eddy Cue and Craig Federighi, will shoulder the burden in lieu of replacements.

As head of Apple’s mobile software division, Forstall recently came under fire when iOS Maps was released in a form inaccuracies combined with missing features to prompt pundits and customers to widely pan the mapping service that replaced the Google Maps-powered app shipped in iOS since its inception.

In May, Forstall sold 95 percent of his shares in the company, which at the time was worth US$38.7 million. The executive was due to receive another 100,000 in restricted stock units that fully vest in 2014, and 150,000 restricted units that vest in 2013 and 2016, if he had stayed with Apple.

Forstall is expected to leave Apple sometime next year and will serve as an advisor to CEO Tim Cook in the interim.

Not much was said about SVP of Retail John Browett’s exit, though the departure comes less than one year after the former Dixons CEO was hired by Apple to replace Ron Johnson. According to the release, the entire Retail team will report directly to Cook until a suitable replacement is found.

Like Forstall, Browett’s actions were scrutinized as reports suggested the executive’s plans to raise Apple Store margins was taking its toll on employees.

Perhaps most visible was the alleged firing of recently-hired Apple Store staff in the UK, which was accompanied by drastic working hour cuts in the U.S. and Canada. Browett later claimed the staffing changes were a “mistake” and said they would be reversed, however further reports suggested that an emphasis on revenue was trumping customer experience.

It was revealed in April that Browett received 100,000 restricted stock units worth roughly US$61 million, 5,000 of which recently vested on Oct. 20. An additional 15,000 units were to vest on the executive’s one-year anniversary with Apple, with remaining shares set to vest in 20,000 unit packages every April.

Apple’s announcement regarding the changes:

Apple® today announced executive management changes that will encourage even more collaboration between the Company’s world-class hardware, software and services teams. As part of these changes, Jony Ive, Bob Mansfield, Eddy Cue and Craig Federighi will add more responsibilities to their roles. Apple also announced that Scott Forstall will be leaving Apple next year and will serve as an advisor to CEO Tim Cook in the interim.

“We are in one of the most prolific periods of innovation and new products in Apple’s history”

“We are in one of the most prolific periods of innovation and new products in Apple’s history,” said Tim Cook, Apple’s CEO. “The amazing products that we’ve introduced in September and October, iPhone 5, iOS 6, iPad mini, iPad, iMac, MacBook Pro, iPod touch, iPod nano and many of our applications, could only have been created at Apple and are the direct result of our relentless focus on tightly integrating world-class hardware, software and services.”

Jony Ive will provide leadership and direction for Human Interface (HI) across the company in addition to his role as the leader of Industrial Design. His incredible design aesthetic has been the driving force behind the look and feel of Apple’s products for more than a decade.

Eddy Cue will take on the additional responsibility of Siri® and Maps, placing all of our online services in one group. This organization has overseen major successes such as the iTunes Store®, the App Store℠, the iBookstore℠ and iCloud®. This group has an excellent track record of building and strengthening Apple’s online services to meet and exceed the high expectations of our customers.

Craig Federighi will lead both iOS and OS X®. Apple has the most advanced mobile and desktop operating systems, and this move brings together the OS teams to make it even easier to deliver the best technology and user experience innovations to both platforms.

Bob Mansfield will lead a new group, Technologies, which combines all of Apple’s wireless teams across the company in one organization, fostering innovation in this area at an even higher level. This organization will also include the semiconductor teams, who have ambitious plans for the future.

Additionally, John Browett is leaving Apple. A search for a new head of Retail is underway and in the interim, the Retail team will report directly to Tim Cook. Apple’s Retail organization has an incredibly strong network of leaders at the store and regional level who will continue the excellent work that has been done over the past decade to revolutionize retailing with unique, innovative services for customers.

Apple designs Macs, the best personal computers in the world, along with OS X, iLife, iWork and professional software. Apple leads the digital music revolution with its iPods and iTunes online store. Apple has reinvented the mobile phone with its revolutionary iPhone and App Store, and is defining the future of mobile media and computing devices with iPad.”

Late Monday, Elgato Systems released version 3.5.6 of its EyeTV software application, which finds and tracks all television programming you want to see and allows users to pause live television and save content to file.

The update, a 138.3 megabyte download, offers the following fixes and changes:

– Improved support for OS X 10.8 Mountain Lion.

– Improved EyeTV Sharing.

– Added Retina support for the player window.

– Added support for EyeTV Micro.

– Miscellaneous bug fixes.

EyeTV 3.5.6 requires an Intel-based Mac running Mac OS X 10.5.8 or later to install and run. If you’ve tried the new version and have any feedback to offer, please let us know in the comments.